Alert archive / New Jersey / Freeze Warnings in 2022

Freeze Warning 7, NWS Philadelphia/Mount Holly

November 14, 20224 states

NWS Philadelphia/Mount Holly issued this freeze warning at Nov 14, 2022, 7:40 AM EST for 4 states. It took effect at Nov 14, 2022, 11:00 PM EST. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 14, 2022, 7:40 AM EST (12:40 UTC)
In effect from
Nov 14, 2022, 11:00 PM EST
Expired
Nov 15, 2022, 9:00 AM EST
In force
10 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Dover AFB radar (KDOX), 73 km from the middle of the area, began a volume at 12:37 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 0.7 hours before the alert went out and 172 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Wallops Is Stn, VA at 12:00Z on 2022-11-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2022-11-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -79 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1342 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-79 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

082 
WWUS71 KPHI 141240
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
740 AM EST Mon Nov 14 2022

NJZ016>019-021-023-PAZ070-071-104-106-150945-
/O.EXP.KPHI.FZ.W.0006.000000T0000Z-221114T1300Z/
/O.NEW.KPHI.FZ.W.0007.221115T0400Z-221115T1400Z/
Salem-Gloucester-Camden-Northwestern Burlington-Cumberland-
Cape May-Delaware-Philadelphia-Eastern Montgomery-Lower Bucks-
Including the cities of Pennsville, Glassboro, Camden, 
Cherry Hill, Moorestown, Mount Holly, Millville, 
Cape May Court House, Media, Philadelphia, Norristown, Lansdale, 
Morrisville, and Doylestown
740 AM EST Mon Nov 14 2022

...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EST
TUESDAY...
...FREEZE WARNING WILL EXPIRE AT 8 AM EST THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...In New Jersey, Salem, Gloucester, Camden, Northwestern 
  Burlington, Cumberland and Cape May. In Pennsylvania, 
  Delaware, Philadelphia, Eastern Montgomery and Lower Bucks.

* WHEN...From 11 PM this evening to 9 AM EST Tuesday.

* IMPACTS...Frost and freeze conditions will kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

DEZ001>003-MDZ012-015-019-020-150945-
/O.EXP.KPHI.FZ.W.0006.000000T0000Z-221114T1300Z/
/O.NEW.KPHI.FZ.W.0007.221115T0400Z-221115T1400Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Including the cities of Wilmington, Dover, Georgetown, 
Chestertown, Centreville, Easton, and Denton
740 AM EST Mon Nov 14 2022

...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EST
TUESDAY...
...FREEZE WARNING WILL EXPIRE AT 8 AM EST THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...In Delaware, New Castle, Kent and Inland Sussex. In 
  Maryland, Kent MD, Queen Annes, Talbot and Caroline.

* WHEN...From 11 PM this evening to 9 AM EST Tuesday.

* IMPACTS...Frost and freeze conditions will kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

NJZ024-141345-
/O.EXP.KPHI.FZ.W.0006.000000T0000Z-221114T1300Z/
Atlantic Coastal Cape May-
Including the city of Ocean City
740 AM EST Mon Nov 14 2022

...FREEZE WARNING WILL EXPIRE AT 8 AM EST THIS MORNING...

Temperatures are rising.

$$

DEZ004-141345-
/O.EXP.KPHI.FZ.W.0006.000000T0000Z-221114T1300Z/
Delaware Beaches-
Including the city of Rehoboth Beach
740 AM EST Mon Nov 14 2022

...FREEZE WARNING WILL EXPIRE AT 8 AM EST THIS MORNING...

Temperatures are rising.

$$
3 follow-up statements
154 
WWUS71 KPHI 141949
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
249 PM EST Mon Nov 14 2022

NJZ016>019-021-023-PAZ070-071-104-106-150900-
/O.CON.KPHI.FZ.W.0007.221115T0400Z-221115T1400Z/
Salem-Gloucester-Camden-Northwestern Burlington-Cumberland-
Cape May-Delaware-Philadelphia-Eastern Montgomery-Lower Bucks-
Including the cities of Pennsville, Glassboro, Camden, 
Cherry Hill, Moorestown, Mount Holly, Millville, 
Cape May Court House, Media, Philadelphia, Norristown, Lansdale, 
Morrisville, and Doylestown
249 PM EST Mon Nov 14 2022

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM EST TUESDAY...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...In New Jersey, Salem, Gloucester, Camden, Northwestern 
  Burlington, Cumberland and Cape May. In Pennsylvania, 
  Delaware, Philadelphia, Eastern Montgomery and Lower Bucks.

* WHEN...From 11 PM this evening to 9 AM EST Tuesday.

* IMPACTS...Frost and freeze conditions will kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

DEZ001>003-MDZ012-015-019-020-150900-
/O.CON.KPHI.FZ.W.0007.221115T0400Z-221115T1400Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Including the cities of Wilmington, Dover, Georgetown, 
Chestertown, Centreville, Easton, and Denton
249 PM EST Mon Nov 14 2022

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM EST TUESDAY...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...In Delaware, New Castle, Kent and Inland Sussex. In 
  Maryland, Kent MD, Queen Annes, Talbot and Caroline.

* WHEN...From 11 PM this evening to 9 AM EST Tuesday.

* IMPACTS...Frost and freeze conditions will kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Brudy
922 
WWUS71 KPHI 150816
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
316 AM EST Tue Nov 15 2022

NJZ016>019-021-023-PAZ070-071-104-106-151400-
/O.CON.KPHI.FZ.W.0007.000000T0000Z-221115T1400Z/
Salem-Gloucester-Camden-Northwestern Burlington-Cumberland-
Cape May-Delaware-Philadelphia-Eastern Montgomery-Lower Bucks-
Including the cities of Pennsville, Glassboro, Camden, 
Cherry Hill, Moorestown, Mount Holly, Millville, 
Cape May Court House, Media, Philadelphia, Norristown, Lansdale, 
Morrisville, and Doylestown
316 AM EST Tue Nov 15 2022

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 27.

* WHERE...In New Jersey, Salem, Gloucester, Camden, Northwestern 
  Burlington, Cumberland and Cape May. In Pennsylvania, 
  Delaware, Philadelphia, Eastern Montgomery and Lower Bucks.

* WHEN...Until 9 AM EST this morning.

* IMPACTS...Frost and freeze conditions will kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

DEZ001>003-MDZ012-015-019-020-151400-
/O.CON.KPHI.FZ.W.0007.000000T0000Z-221115T1400Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Including the cities of Wilmington, Dover, Georgetown, 
Chestertown, Centreville, Easton, and Denton
316 AM EST Tue Nov 15 2022

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 29.

* WHERE...In Delaware, New Castle, Kent and Inland Sussex. In 
  Maryland, Kent MD, Queen Annes, Talbot and Caroline.

* WHEN...Until 9 AM EST this morning.

* IMPACTS...Frost and freeze conditions will kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

MPS
813 
WWUS71 KPHI 151402
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
902 AM EST Tue Nov 15 2022

DEZ001>003-MDZ012-015-019-020-NJZ016>019-021-023-PAZ070-071-104-
106-151515-
/O.EXP.KPHI.FZ.W.0007.000000T0000Z-221115T1400Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Salem-Gloucester-Camden-Northwestern Burlington-Cumberland-
Cape May-Delaware-Philadelphia-Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Millville, 
Cape May Court House, Media, Philadelphia, Norristown, Lansdale, 
Morrisville, and Doylestown
902 AM EST Tue Nov 15 2022

...FREEZE WARNING HAS EXPIRED...

Temperatures are warming up.

The growing season has ended across the entire region, so no 
additional frost advisories or freeze warnings will be issued for
these counties until Spring 2023, if needed. 

$$

RCM

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 14, 6:01 AM ESTSmall Craft AdvisoryPHI6 hr
Nov 14, 2:40 PM ESTWinter Weather AdvisoryPHISussex, Warren35 hr
Nov 14, 2:42 PM ESTSmall Craft AdvisoryPHI5 days

Nearby

Freeze Warnings in New Jersey, 2022Freeze Warnings in Pennsylvania, 2022Freeze Warnings in Maryland, 2022Every freeze warning in 2022

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.